Xidel is a specialized data extraction tool that replaces the traditional pipeline of wget/curl combined with grep/sed/awk by combining network downloading and advanced HTML/XML/JSON parsing into a single command. While traditional tools treat web pages as flat text, Xidel understands the underlying DOM tree structure using powerful web standards like XPath, XQuery, and JSONiq. The Fundamental Difference
Traditional workflows require downloading a page and then using regex to hack out the data. Xidel downloads and extracts natively using semantic paths. curl / wget + grep / sed Parsing Method Regular expressions (Flat text) DOM-aware (XPath, XQuery, CSS Selectors, JSONiq) HTML Resiliency Breaks easily if tags, spaces, or attributes change Robust; structural changes do not break queries JSON Support Requires piping to another tool like jq Built-in JSONiq and dot-notation parsing Multi-page Scrapes Requires complex loops, cookies, and session scripts Follows links and handles forms natively Pipeline Length
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